import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'
import approval from './modules/approval'
import department from './modules/department'
import role from './modules/role'
import employee from './modules/employee'
import permission from './modules/permission'
import attendance from './modules/attendance'
import salary from './modules/salary'
import social from './modules/social'
import test from './modules/test'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
// 4.1 拆分路由-静态路由
export const constantRoutes = [
  {
    path: '/login',
    component: () => import('@/views/login/index'),
    hidden: true// TODO hidden为true隐藏路由
  },

  {
    path: '/404',
    component: () => import('@/views/404'),
    hidden: true
  },

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    // TODO children的子路由大于1个才会出现分组
    children: [
      {
        path: 'dashboard',
        name: 'Dashboard',
        component: () => import('@/views/dashboard/index'),
        // TODO meta.title是菜单栏的路由名称,icon是菜单栏的图标
        meta: { title: 'Dashboard', icon: 'dashboard' }
      }
    ],
    // TODO 🔥左侧菜单栏要出现分组: 在children同级写meta, 就会把children的meta都继承过来(把children的meta都嵌套在里面, 可以展开)
    meta: { title: 'xxx', icon: 'dashboard' }
  }

  // 404 page must be placed at the end !!!

]
// 4.2 动态创建路由
export const asyncRoutes = [
  department, // 组织
  role, // 角色
  employee, // 员工
  permission, // 权限
  attendance, // 考勤
  approval, // 审批
  salary, // 工资
  social, // 社保
  test // 测试
]

const createRouter = () => new Router({
  // mode: 'history', // require service support
  scrollBehavior: () => ({ y: 0 }),
  routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
// 重置路由-防止登录高权限账号,退出之后,再次登录低权限账号可以通过路由可以访问高权限页面 原创
export function resetRouter() {
  const newRouter = createRouter()
  router.matcher = newRouter.matcher // reset router
}

export default router
